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Combination control method and equipment of data frame transmission

A control method and data frame technology, applied in the field of communication, can solve problems such as large frame loss rate and lower transmission efficiency of HDLC uplink channel, and achieve the effects of reducing frame loss rate, reducing the number of retransmissions, and improving transmission efficiency

Active Publication Date: 2010-12-08
HONOR DEVICE CO LTD
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Problems solved by technology

[0021] To sum up, the above technical solution will cause a large frame loss rate, and for a certain RRU, when a frame is lost, it has to send retransmission requests again and again, thus reducing the transmission efficiency of the HDLC uplink channel

Method used

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  • Combination control method and equipment of data frame transmission
  • Combination control method and equipment of data frame transmission
  • Combination control method and equipment of data frame transmission

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Embodiment Construction

[0048] Embodiments of the present invention provide a combination control method and device for data frame transmission, which can reduce the frame loss rate of the system and increase the transmission efficiency of the uplink channel.

[0049] Since in a specific application, the data flow of each channel is unbalanced, for example, in the case of cascading, the data flow of the subsequent stage is generally greater than the data flow of the current stage, the embodiment of the present invention detects the channel with the largest data flow Whether there is a complete data frame in the buffer corresponding to the channel, and when sometimes, send the data frame in the buffer corresponding to the channel with the largest data flow, regardless of whether there are complete data frames in the buffer corresponding to the other channels. This can ensure that the frame loss rate of the channel with the largest data flow is greatly reduced, and the frame loss rate is almost 0. Moreo...

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Abstract

The invention discloses a mixed control method and device for data frames transmission. The method comprises the following steps: whether complete data frames exist in a cache corresponding to a channel with a biggest data flow is checked; if complete data frames exist, the data frames in the cache corresponding to the channel with the biggest data flow are sent with preference. Through sending the data frames in the cache corresponding to the channel with the biggest data flow with preference, the invention has the advantages of reduced total frame loss rate in the system, reduced retransmission times and improved transmission efficiency of data frames.

Description

Technical field [0001] The present invention is a communication technology field, especially involving a data frame control method and equipment. Background technique [0002] The base station system is mainly composed of two parts: BBU baseband unit (BBU, BASE BAND Unit), and RRADIO Remote Unit. The data communication between the two is based on the general public wireless interface (CPRI, Common PublicHigh -speed serial interface implementation of the Radio Interface) protocol.The CPRI interface is a full -duplex synchronous interface, which mainly carries three types of information: synchronous information, business information and control facial information.In order to facilitate expressions, the definition of information from BBU to RRU is called a downlink direction; information flows from RRU to BBU, which is called the uplink direction.Reference figure 1 , For the radicals composed of a BBU and a RRU in the existing technology, 13 is the CPRI interface.It can be seen that...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L12/54H04L12/56
CPCH04L47/6255H04L47/522H04L12/5693H04L47/50
Inventor 苏健
Owner HONOR DEVICE CO LTD
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